. "0"^^ . "pterygium"@en-us . "105317603"^^ . "either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula"@en-us . "05317603-n"^^ . . . . "105011438"@en-us . "either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula"@en-us . "104126435"@en-us . . . . "pterygium"^^ . . . "0"^^ . . . .